CSA Air is an express cargo carrier company. It provides flight and maintenance services throughout Michigan, Wisconsin, Minnesota, Illinois, Indiana and South Dakota. The company maintains a fleet of more than 25 aircraft and undertakes scheduled freight transportation services. It offers certified flight inspection, maintenance and repair services. In addition, the company provides computer-based training programs for pilots. It also organizes seminars, conferences and workshops on express flight delivery techniques. CSA Air is a subsidiary of Air T, which provides air cargo and aviation ground support services and a wide range of aircraft equipment. CSA Air is located in Kingsford, Mich.